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frutty [35]
3 years ago
10

Plz help me plssssssssssssss​

Mathematics
1 answer:
damaskus [11]3 years ago
7 0

Answer:

a b c

Step-by-step explanation:

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Sammy wants to deposit into a 7% annual simple interest account she will also deposit twice as much in a certificate of deposit
antiseptic1488 [7]

Answer: $2294 should be invested in the simple interest account while $4588 should be invested in the certificate of deposit.

Step-by-step explanation:

Let x represent the amount that he would deposit in the simple interest account.

Let y represent the amount that he would deposit in the certificate of deposit.

she will deposit twice as much in the certificate of deposit. It means that

y = 2x

Interest from the simple interest account would be 7%. This mean that the interest would be 7/100 × x = $0.07x

Interest from the certificate of deposit account would be 5%. This mean that the interest would be 5/100 × y = $0.05y.

The total interest from both accounts would be $390. It means that

0.07x + 0.05y = 390- - - - - - - - - - 1

Substituting y = 2x into equation 1, it becomes

0.07x + 0.05 × 2x = 390

0.07x + 0.1x = 390

0.17x = 390

x = 390/0.17 = $2294

y = 2x = 2 × 2294

y = 4588

4 0
2 years ago
Please help ASAP!!! Find the area of the triangle.
pentagon [3]

Answer:

2.3cm x 4cm =

<h2><u><em>9.2cm²</em></u></h2>

4 0
2 years ago
Nevermind yfgeruwijdksfgheywu
UkoKoshka [18]

Answer:

The solution will be negative.

Step-by-step explanation:

I'm not quite sure what sort of answer you're looking for though.

6 0
2 years ago
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What are the x-intercepts for x2 + x - 6 = 0? (hint: factor first) please I need this asap
Nezavi [6.7K]
2 negative three.....use Math-way
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2 years ago
Two mechanics work on a car . The first mechanic worked 10 hours and the second mechanic worked for 15 hours. Together they char
bonufazy [111]

Answer:

110

Step-by-step explanation:

Let x = rate #1 and then 155-x=rate #2.

15x + 5(155-x) = 1225

15x - 5x + 775 - 1225

10x = 450

x = 45, second rate is 110

8 0
2 years ago
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